Energy - Terms
Across
- 4. The time rate amount of work done.
- 5. In a simple pendulum, the max PE occurs at the ________.
- 8. In a(n) _____ system, the KE equals the PE, and there is no work done onto or by the system.
- 9. Friction and air resistance are both examples of _______ forces.
- 11. Energy can be changed from one form to another, but cannot be ___________. (different than the other clue)
- 16. Work is done when a force acts in the same _______ as the displacement.
- 18. As an object falls freely in a _____ its total energy remains the same.
- 19. Consider a simple pendulum. If the energy at the extremes equals 3 J, what will be the kinetic energy as the pendulum swings through the lowest portion of its swing.
- 20. Energy can be changed from one form to another, but cannot be ___________.
- 21. ________ energy can be used to run an assortment of appliances.
- 23. The elastic PE of a spring when it is compressed or ________.
- 25. The energy in a closed system remains __________.
- 27. One Joule is equal to a __________ meter.
- 28. Abbr. of the kilowatt.
Down
- 1. The PE of an object and its height above the ground have a(n) _____ relationship.
- 2. Geothermal, heat, and chemical are all different _______ of energy.
- 3. If the speed of an object is doubled, the KE will be ___.
- 6. _______ energy is equal to the sum of the kinetic and potential energies of an object.
- 7. If the height of an object is halved, the GPE will be _____.
- 8. a ball is thrown upward from the Earth's surface. While the ball is rising, its gravitational PE will ______.
- 10. A _________is a force with the property that the work done in moving a particle between two points is independent of the taken path.
- 12. The ability to do work.
- 13. Energy is a _____ quantity
- 14. The energy an object has due to its motion.
- 15. In the roller coaster example, energy was dissipated through friction and sound. As a result this is considered a(n) _________ system.
- 17. To increase power output, you can _______ the amount of time it takes to perform the work.
- 22. The energy an object has owing to its position or condition is called ___________.
- 24. The unit of power is called the _________.
- 25. To find the x-component of a Force when trying to calculate work, you must use the _____ function.
- 26. Energy is measured in the same units as work.